| 摘要 |
A DLC coating ( 20 ) coating a surface of a predetermined member ( 12 ) comprises a base layer ( 22 ) not containing hydrogen substantially, and a hydrogen containing layer ( 24 ) containing hydrogen ranging from 2 atom % to 20 atom %. The base layer ( 22 ) and the hydrogen containing layer ( 24 ) disposed thereon constitute a two-layer structure. |
